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Finding the Fourth Proportional to 45,700.54, 68,523.13 and 29,886.48

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Solution

The fourth proportional to 45,700.54, 68,523.13 and 29,886.48 is: 44,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,700.54 : 68,523.13 = 29,886.48 : x
  2. Step 2: Convert to fraction form
    45,700.54/68,523.13 = 29,886.48/x
  3. Step 3: Cross multiply
    45,700.54x = 68,523.13 × 29,886.48
  4. Step 4: Simplify right side
    45,700.54x = 2,047,915,191.64
  5. Step 5: Solve for x
    x = 2,047,915,191.64/45,700.54
  6. Step 6: Final answer
    x = 44,811.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.